diff --git a/dbms/include/DB/DataTypes/IDataTypeNumberFixed.h b/dbms/include/DB/DataTypes/IDataTypeNumberFixed.h
index 6691fbe1adc..c4890c7cf46 100644
--- a/dbms/include/DB/DataTypes/IDataTypeNumberFixed.h
+++ b/dbms/include/DB/DataTypes/IDataTypeNumberFixed.h
@@ -28,13 +28,13 @@ public:
 	{
 		/// ColumnType::value_type - более узкий тип. Например, UInt8, когда тип Field - UInt64
 		typename ColumnType::value_type x = boost::get<FieldType>(field);
-		ostr.write(reinterpret_cast<const char *>(&x), sizeof(x));
+		writeIntBinary(x, ostr);
 	}
 	
 	void deserializeBinary(Field & field, ReadBuffer & istr) const
 	{
 		typename ColumnType::value_type x;
-		istr.readStrict(reinterpret_cast<char *>(&x), sizeof(x));
+		readIntBinary(x, istr);
 		field = typename NearestFieldType<FieldType>::Type(x);
 	}
 	
diff --git a/dbms/include/DB/IO/ReadHelpers.h b/dbms/include/DB/IO/ReadHelpers.h
index 54c697c83a2..4d6e80b8538 100644
--- a/dbms/include/DB/IO/ReadHelpers.h
+++ b/dbms/include/DB/IO/ReadHelpers.h
@@ -46,6 +46,14 @@ static inline void throwReadAfterEOF()
 }
 
 
+/// Чтение числа в native формате
+template <typename T>
+inline void readIntBinary(T & x, ReadBuffer & buf)
+{
+	buf.readStrict(reinterpret_cast<char *>(&x), sizeof(x));
+}
+
+
 inline void readChar(char & x, ReadBuffer & buf)
 {
 	if (!buf.eof())
diff --git a/dbms/include/DB/IO/WriteHelpers.h b/dbms/include/DB/IO/WriteHelpers.h
index f9064b60bda..6d049b04d66 100644
--- a/dbms/include/DB/IO/WriteHelpers.h
+++ b/dbms/include/DB/IO/WriteHelpers.h
@@ -32,6 +32,14 @@ inline void writeChar(char x, WriteBuffer & buf)
 }
 
 
+/// Запись числа в native формате
+template <typename T>
+inline void writeIntBinary(T & x, WriteBuffer & buf)
+{
+	buf.write(reinterpret_cast<const char *>(&x), sizeof(x));
+}
+
+
 template <typename T>
 void writeIntText(T x, WriteBuffer & buf)
 {